E&L Inj

Electrical & Lightening Injuries Dr.Suad Al-Sulimani( R2)

Outline ,[object Object],[object Object],[object Object],[object Object]

Physics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Q: All of the following are factors determining the electrical injury except ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Q: All of the followings are true facts about type of circuit except ? ,[object Object],[object Object],[object Object],[object Object],( tendes to through the victim from the source)

Resistance ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Resistance of body tissues Most tendon Fat Bone intermediate dry skin Least Nerve Blood Muscle Membrane Muscle

Current ( Ampreage ) ( the measure of the amount of energy flows through an object ) ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

Duration of contact ,[object Object],[object Object],[object Object]

Voltage (the measure of diffrence in electrical potential between two points) -depend on the source -the higher the voltage the more is tissue distraction - no fatalities with low voltage 500V or 1000V used as a cutpoint

Pathway , which of the following is false: ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

Histological changes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Mecechanism of injury ( Electrical injury ) ,[object Object],[object Object],[object Object]

[object Object],[object Object]

Lightning Injury ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Clinical features : Head & neck ,[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],Clinical features : cardiovascular

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],feathering Clinical features : skin (flash/ferning).

Clinical features : Extremities ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Clinical features : Extremities ,[object Object],[object Object],[object Object],[object Object],[object Object]

Clinical features : Nervous system ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

neurologicasl damage immediate Delayed Within hours Weakness paraesthesia Days to years Lateral sclerosis Transverse mylities Ascending paralysis

Q:which of the following statements regarding lightening strike is correct ? ,[object Object],[object Object],[object Object],[object Object]

Neurological symptoms ( lightening ) ,[object Object],[object Object],[object Object],[object Object]

Management , prehospital : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Remember ,[object Object],[object Object],[object Object],[object Object]

Fluid resusitation ,[object Object],[object Object],[object Object],[object Object]

Q: 2-years old girl a brought to ED found crying holding her right index finger, unprotecteted electrical wall socket was nearby visual inspection reveals localized areythema , good capillary refill , good pulses , full range of movement Chest auscultation reveals normal heart sounds , no other signs of trauma . What diagnostic test should be performed to complete the evaluation of this child ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

Monitoring : ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Specific therapy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Q: 4-years old boy represent after sticking a fork in to a home Electrical outlet with his right hand and get shocked . His right elbow was on the ground he remained asymptomatic physical examination reveals two extremely small first-degree burns on his right hand and elbow; a 12-lead ECG is normal . The most appropriate disposition is ? -admit to monitored bed for 24 hours - admit to non monitored bed for serial perephral vascular examination - discharge home - observe in the emergency for 6 hrs if no dysarrythmiias occur discharge home - perform echocardiography in ED

Disposition:which patient can be dischrged home ? ,[object Object],[object Object],[object Object],[object Object],[object Object]

E&L Inj

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